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Salmon's Sense of Smell

Male salmon sniff out their mates and all salmon migrate guided by their sense of smell

• 13 mins

The Legacy and Findings of the Chernobyl Nuclear Disaster

What happened to the people and environment in the ten years after the accident?

• 13 mins

Conserving Fish Stocks

Restrictions on commercial fishing to save cod, haddock and plaice in the North Sea

• 13 mins

Impact of Commercial Mining on the Environment

How has the rapid expansion of mining companies happened?

• 13 mins

Sea Empress Supertanker Oil Spill

"The shore was totally contaminated... and the air was heavy with the stench of oil"

• 13 mins

The Effects of Leaded Petrol

Lead was added to petrol to make combustion efficient but modern engines no longer need it

• 13 mins

Food Crisis in North Korea

Floods wiped out all food crops for 1995 as well as seeds to plant for the following year

• 13 mins

Negotiating Climate Change

How governments are resisting advice from the IPCC to take action against climate change

• 13 mins

Threats to Wildlife on the Galapagos Islands

The role of population expansion, shark and sea cucumber fishing and 80,000 goats

• 13 mins

Bakun Dam Project in Sarawak

The building of the Malaysian dam was put on hold to take account of the views of locals

• 13 mins

Leipzig Declaration

The global plan of action to secure plants' genetic resources for future generations

• 13 mins

Prospecting in the Amazon

How oil exploration in the Peruvian Amazon will threaten 19 different indigenous peoples

• 13 mins

Kolkata's Arsenic Poisoning

Unchecked water extraction has led to 250,000 people being affected by arsenic poisoning

• 13 mins

Greenpeace in Hong Kong

Anne Dingwall talks about the toxic waste and fake recycling that ends up in Hong Kong

• 13 mins

Aerial Seed Bombers

Reforestation by dropping trees from airplanes in icecream cone-shaped delivery packages

• 13 mins

The Antarctic

Can one of the planet's last great wildernesses be kept clean for future generations?

• 13 mins

Water in Namibia

How are people conserving water in the country's capital Windhoek?

• 13 mins

Tortoise Deaths

Eight giant tortoises have died of a mystery disease on Santa Cruz Island in the Galapagos

• 13 mins

The Growth Rings of Trees

The shape of tree rings indicates a relative warming of the world over the last 100 years

• 13 mins

Natural and Man-made Disasters

Can you prepare for disaster?

• 13 mins

Tropical Ice Melt

The melting of the glaciers in mountain ranges in equatorial areas such as the Andes

• 13 mins

El Salvador's Environment

"The environmental problems are also social problems"

• 13 mins

Combating City Traffic Pollution

The device that sucks pollution out of the air described by inventor Melvin Prueitt

• 13 mins

How Climate Change Affects Birds

Birds' habitats, refuelling stops on migration routes and breeding grounds are threatened

• 14 mins

Food Production in Gambia

Yahya Jammeh's policy to send young people from cities to the countryside to work on farms

• 13 mins

Greenhouse Emissions Targets

Why developed and former Communist nations are not reducing greenhouse emissions

• 13 mins

The Demands for Tiger Body Parts

Is the Indian government doing enough to protect tigers?

• 13 mins

Environmental Damage in Zaire

What impact does the mass migration of people fleeing conflict have on the environment?

• 13 mins

The Niger Delta Environment

The slow progress of the Niger Delta's recovery from oil damage

• 13 mins

The Ozone Layer

What state is the ozone layer in around the world in 1996?

• 13 mins